Global Patent Index - EP 3792475 A1

EP 3792475 A1 20210317 - DIESEL ENGINE SYSTEM, METHOD OF CONTROLLING DIESEL ENGINE SYSTEM, AND COMPUTER PROGRAM PRODUCT

Title (en)

DIESEL ENGINE SYSTEM, METHOD OF CONTROLLING DIESEL ENGINE SYSTEM, AND COMPUTER PROGRAM PRODUCT

Title (de)

DIESELMOTORSYSTEM, VERFAHREN ZUR STEUERUNG DES DIESELMOTORSYSTEMS UND COMPUTERPROGRAMMPRODUKT

Title (fr)

SYSTÈME DE MOTEUR DIESEL, PROCÉDÉ DE COMMANDE DE SYSTÈME DE MOTEUR DIESEL ET PRODUIT PROGRAMME INFORMATIQUE

Publication

EP 3792475 A1 20210317 (EN)

Application

EP 20194001 A 20200902

Priority

JP 2019164685 A 20190910

Abstract (en)

A diesel engine system is provided, which includes a piston having a cavity dented downwardly in a crown surface thereof and having a bottom part, a peripheral part dented so as to be convex radially outward, and a lip part formed above the peripheral part and protruding so as to be convex radially inward in a cross-sectional view. An injection controller causes an injector to perform, during operation in a given operating range, a main injection in which injected fuel is directed to the lip part, and an after-injection in which a smaller amount of the fuel than the main injection is injected at a given timing later than the main injection in an expansion stroke. An injection interval period from an end of the main injection to a start of the after-injection is shorter as a temperature parameter related to a progress of a warmup of engine increases.

IPC 8 full level

F02D 41/06 (2006.01); F02B 23/06 (2006.01); F02D 41/40 (2006.01)

CPC (source: EP US)

F02B 3/06 (2013.01 - US); F02B 23/0678 (2013.01 - EP); F02B 23/0693 (2013.01 - EP); F02D 41/068 (2013.01 - EP); F02D 41/402 (2013.01 - EP US); F02B 23/0651 (2013.01 - US); F02B 2275/14 (2013.01 - US); F02D 2041/389 (2013.01 - US); F02D 2200/021 (2013.01 - EP); F02D 2200/0406 (2013.01 - US); F02D 2200/101 (2013.01 - US); Y02T 10/12 (2013.01 - EP); Y02T 10/40 (2013.01 - EP)

Citation (applicant)

JP 2011190725 A 20110929 - TOYOTA MOTOR CORP

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3792475 A1 20210317; EP 3792475 B1 20231025; JP 2021042703 A 20210318; JP 7379966 B2 20231115; US 11181069 B2 20211123; US 2021071616 A1 20210311

DOCDB simple family (application)

EP 20194001 A 20200902; JP 2019164685 A 20190910; US 202017011170 A 20200903